Table 1 Demographic, clinical, and dosimetric data for included patient cohort showing variable, its respective coding (qualitative or quantitative) and units (when applicable).

Data Classification	Variable	Code	Units
Demographic Data	Gender	Male	N/A
	Gender	Female	N/A
	Age	Quantitative	Years
	Smoking Status	Current smoker	N/A
		Former smoker
		Never smoker
	Smoking Pack-Years	Quantitative	Pack-years
Clinical Data	Overall Survival	0 - Deceased at last F/U	N/A
	Overall Survival	1 - Alive at last F/U	N/A
	ORNJ Status	0 - Negative for ORNJ	N/A
	ORNJ Status	1 - Positive for ORNJ	N/A
	Time to Event	Quantitative	Months
	ORNJ Grade*	1 - Minimal bone exposure, conservative management only	N/A
		2 - Minor debridement received
		3 - HBO needed
		4 - Major surgery required
	Pre-RT Dental Extractions	0 - No pre-RT dental extractions	N/A
	Pre-RT Dental Extractions	1 - Pre-RT dental extractions	N/A
	Chemotherapy	Induction	N/A
		Induction and concurrent
		Concurrent
		No chemotherapy
	Postoperative RT vs. Definitive RT	Postoperative RT	N/A
	Postoperative RT vs. Definitive RT	Definitive	N/A
	HPV/p16 + Ve Status	Yes	N/A
		No
		Unknown
	Tumor Site Group	Oropharynx	N/A
		Oral cavity
		Nasopharynx/nasal cavity/paranasal sinuses
		Larynx/hypopharynx
		Other
	Mandible Volume	Quantitative	cm³
Dosimetric Data	V5-80 Gy	Quantitative	cm³
Dosimetric Data	D0.5%-99.5%	Quantitative	Gy

This can be used to supplement the CSV file included within this data descriptor.
*Adapted from Tsai staging system.
F/U = follow-up. HBO = hyperbaric oxygen. Tumor Site Group – Other = pharynx and oral cavity other.

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